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Soleno Therapeutics Inc

SLNODelisted May 18, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001484565

Soleno Therapeutics Inc was delisted on May 18, 2026; its insiders filed their last Form 4 on May 18, 2026; 227 institutions reported holding it in 13F filings for Q1 2026, worth $2.09B in total; no superinvestor held it.

13F holders, Q1 2026

Institutional positions in Soleno Therapeutics Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

SLNO is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.

Institutional holders
227
−15 vs. Q4 2025
Shares held
62.4M
+598.6K (+1.0%) vs. Q4 2025
Total value
$2.09B
−$775.4M (−27.1%) vs. Q4 2025
New holders
45
92 more added
Sold out
60
69 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SLNO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 227 institutions
Q1 2021: 63 institutionsQ2 2021: 47 institutionsQ3 2021: 39 institutionsQ4 2021: 39 institutionsQ1 2022: 41 institutionsQ2 2022: 40 institutionsQ3 2022: 22 institutionsQ4 2022: 26 institutionsQ1 2023: 21 institutionsQ2 2023: 23 institutionsQ3 2023: 54 institutionsQ4 2023: 76 institutionsQ1 2024: 98 institutionsQ2 2024: 114 institutionsQ3 2024: 142 institutionsQ4 2024: 166 institutionsQ1 2025: 217 institutionsQ2 2025: 234 institutionsQ3 2025: 240 institutionsQ4 2025: 248 institutionsQ1 2026: 227 institutionsQ2 2026: 0 institutions
Value heldQ1 2026: $2.09B
Q1 2021: $41.2MQ2 2021: $33.6MQ3 2021: $27.1MQ4 2021: $11.8MQ1 2022: $11.2MQ2 2022: $8.80MQ3 2022: $5.23MQ4 2022: $6.00MQ1 2023: $7.06MQ2 2023: $21.8MQ3 2023: $598.8MQ4 2023: $1.26BQ1 2024: $1.52BQ2 2024: $1.79BQ3 2024: $2.38BQ4 2024: $2.29BQ1 2025: $3.90BQ2 2025: $4.75BQ3 2025: $4.41BQ4 2025: $3.01BQ1 2026: $2.09BQ2 2026: $0
Institutions holding SLNO and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 2026227$2.09B
Q4 2025248$3.01B
Q3 2025240$4.41B
Q2 2025234$4.75B
Q1 2025217$3.90B
Q4 2024166$2.29B
Q3 2024142$2.38B
Q2 2024114$1.79B
Q1 202498$1.52B
Q4 202376$1.26B
Q3 202354$598.8M
Q2 202323$21.8M
Q1 202321$7.06M
Q4 202226$6.00M
Q3 202222$5.23M
Q2 202240$8.80M
Q1 202241$11.2M
Q4 202139$11.8M
Q3 202139$27.1M
Q2 202147$33.6M
Q1 202163$41.2M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Soleno Therapeutics Inc; share changes are against Q4 2025.

Institutions holding SLNO in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
ExodusPoint Capital Management, LP23,240$778.1K0.01%+23,240New
Erste Asset Management GmbH25,600$779.3K0.01%00.0%Unchanged
Guggenheim Capital LLC24,326$814.4K0.01%+6,145+33.8%Added
Alberta Investment Management Corp25,000$837.0K0.01%+25,000New
Twinbeech Capital LP26,200$877.2K0.09%+26,200New
Capital Fund Management S.A.26,511$887.6K0.01%+26,511New
MetLife Investment Management27,501$920.7K0.00%+1,740+6.8%Added
Fred Alger Management, LLC28,215$944.6K0.00%−264−0.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.29,288$963.4K0.00%+2,045+7.5%Added
F/M Investments LLC29,351$982.7K0.07%−520−1.7%Reduced
Vanguard Asset Management, Ltd29,905$1.00M0.00%+29,905New
Cantor Fitzgerald, L. P.30,000$1.00M0.04%+30,000New
D. E. Shaw & Co., Inc.30,247$1.01M0.00%+24,480+424.5%Added
Lazard Asset Management LLC32,664$1.09M0.00%−15,781−32.6%Reduced
Los Angeles Capital Management LLC33,372$1.12M0.00%+13,703+69.7%Added
Legal & General Group Plc35,144$1.18M0.00%−6,644−15.9%Reduced
Profund Advisors LLC35,607$1.19M0.04%+236+0.7%Added
Banque Pictet & Cie SA38,730$1.30M0.02%−5,066−11.6%Reduced
Anson Funds Management LP44,231$1.48M0.20%+44,231New
Invesco Ltd.44,814$1.50M0.00%−830,205−94.9%Reduced
JPMorgan Chase & Co51,480$1.57M0.00%−64,037−55.4%Reduced
Ruffer LLP46,673$1.57M0.06%+46,673New
ADAR1 Capital Management, LLC46,830$1.57M0.09%+5,000+12.0%Added
Y-Intercept (Hong Kong) Ltd47,731$1.60M0.03%+21,046+78.9%Added
Two Sigma Investments, LP48,092$1.61M0.00%+48,092New
Moody Aldrich Partners LLC48,261$1.62M0.29%+1,955+4.2%Added
Engineers Gate Manager LP49,145$1.65M0.02%−118,860−70.7%Reduced
DV Trading LLC54,000$1.81M0.16%00.0%Unchanged
Barclays PLC54,219$1.82M0.00%−103,466−65.6%Reduced
Tudor Investment Corp Et Al56,118$1.88M0.01%+56,118New
SummitTX Capital, L.P.56,585$1.89M0.06%−155,142−73.3%Reduced
Citigroup Inc56,656$1.90M0.00%+21,993+63.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.57,828$1.94M0.00%+18,870+48.4%Added
Diametric Capital, LP57,832$1.94M0.51%+26,504+84.6%Added
California State Teachers Retirement System58,388$1.95M0.00%+17,671+43.4%Added
Russell Investments Group, Ltd.58,692$1.97M0.00%+12,014+25.7%Added
Rhumbline Advisers59,285$1.98M0.00%+4,217+7.7%Added
Alliancebernstein L.P.43,090$2.00M0.00%+800+1.9%Added
KVP Capital Advisors, LP59,700$2.00M1.49%00.0%Unchanged
Exome Asset Management LLC61,673$2.06M1.21%+61,673New
SEI Investments Co62,946$2.11M0.00%−4,384−6.5%Reduced
HealthInvest Partners AB90,184$2.21M0.71%+27,449+43.8%Added
Artia Global Partners LP68,490$2.29M0.52%−465,208−87.2%Reduced
UBS Asset Management Americas Inc71,986$2.41M0.00%−374−0.5%Reduced
Rafferty Asset Management, LLC79,622$2.67M0.01%−15,975−16.7%Reduced
Mutual of America Capital Management LLC82,834$2.77M0.03%−332−0.4%Reduced
XTX Topco Ltd85,680$2.87M0.05%+49,386+136.1%Added
Swiss National Bank90,300$3.02M0.00%+1,200+1.3%Added
State of Wisconsin Investment Board90,907$3.04M0.01%+18,425+25.4%Added
Centiva Capital, LP101,234$3.39M0.16%−17,570−14.8%Reduced
Polygon Management Ltd.102,125$3.42M0.67%+102,125New
Nuveen, LLC104,738$3.51M0.00%+4,116+4.1%Added
Granahan Investment Management Inc114,825$3.84M0.19%−22,767−16.5%Reduced
Boothbay Fund Management, LLC124,519$4.17M0.10%+80,657+183.9%Added
Nan Fung Trinity (HK) Ltd126,050$4.22M0.46%+2,200+1.8%Added
Deeter Investments LLP129,500$4.34M0.76%+129,500New
Brevan Howard Capital Management LP135,621$4.54M0.05%−12,179−8.2%Reduced
Deutsche Bank AG148,374$4.97M0.00%+6,392+4.5%Added
Nicolet Bankshares Inc156,766$5.25M0.19%+156,766New
HighVista Strategies LLC165,227$5.53M1.53%+30,158+22.3%Added
Seven Fleet Capital Management LP169,770$5.68M1.79%+39,691+30.5%Added
HSBC Holdings PLC174,204$5.83M0.00%+174,204New
Buckley Capital Advisors, LLC181,750$6.08M5.15%+32,600+21.9%Added
New York State Common Retirement Fund185,317$6.20M0.01%00.0%Unchanged
Squarepoint Ops LLC185,337$6.21M0.01%−283,317−60.5%Reduced
SEB Asset Management AB187,475$6.28M0.03%+187,475New
Ally Bridge Group (NY) LLC200,000$6.70M6.65%+31,971+19.0%Added
National Philanthropic Trust200,000$6.70M0.07%+130,455+187.6%Added
Boxer Capital Management, LLC200,000$6.70M0.88%+200,000New
Emerald Mutual Fund Advisers Trust200,727$6.72M0.33%−31,758−13.7%Reduced
Hudson Bay Capital Management LP203,291$6.81M0.04%+202,952+59,867.8%Added
Rice Hall James & Associates, LLC206,147$6.90M0.38%+206,147New
Sphera Funds Management Ltd.216,281$7.24M1.25%+79,967+58.7%Added
Alyeska Investment Group, L.P.217,500$7.28M0.02%00.0%Unchanged
Marshall Wace, LLP221,214$7.41M0.01%+214,619+3,254.3%Added
Trexquant Investment LP221,928$7.43M0.05%+89,016+67.0%Added
UBS Group AG225,147$7.54M0.00%+55,641+32.8%Added
Morgan Stanley242,262$8.11M0.00%−45,377−15.8%Reduced
PFM Health Sciences, LP248,180$8.31M0.87%+287+0.1%Added
Logos Global Management LP250,000$8.37M0.43%−50,000−16.7%Reduced
Rock Springs Capital Management LP257,253$8.61M0.51%+10,200+4.1%Added
Penn Capital Management Co Inc268,785$9.02M0.70%−6,997−2.5%Reduced
Emerald Advisers, LLC274,138$9.18M0.29%−138,513−33.6%Reduced
Bank of New York Mellon Corp277,851$9.30M0.00%−343,960−55.3%Reduced
Candriam Luxembourg S.C.A.281,620$9.43M0.05%+281,620New
Standard Life Aberdeen plc287,456$9.62M0.02%00.0%Unchanged
Vivo Capital, LLC294,909$9.87M0.82%−600,000−67.0%Reduced
Integral Health Asset Management, LLC325,000$10.9M0.58%00.0%Unchanged
Vanguard Fiduciary Trust Co342,758$11.5M0.00%+342,758New
Ikarian Capital, LLC344,123$11.5M1.65%+275,300+400.0%Added
Goldman Sachs Group Inc385,798$12.9M0.00%−527,252−57.7%Reduced
Citadel Advisors LLC386,545$12.9M0.01%+77,715+25.2%Added
Northern Trust Corp393,523$13.2M0.00%+28,105+7.7%Added
Charles Schwab Investment Management Inc405,910$13.6M0.00%+4,724+1.2%Added
Caption Management, LLC420,143$14.1M0.67%+378,043+898.0%Added
BNP Paribas Arbitrage, SA432,535$14.5M0.01%+219,717+103.2%Added
Bank of America Corp439,902$14.7M0.00%+231,307+110.9%Added
Renaissance Technologies LLC447,300$15.0M0.02%+447,300New
Vanguard Portfolio Management LLC477,321$16.0M0.00%+477,321New
Qube Research & Technologies Ltd483,884$16.2M0.02%+196,591+68.4%Added